11405565200642 has 16 divisors (see below), whose sum is σ = 17258214611832. Its totient is φ = 5652999555840.

The previous prime is 11405565200597. The next prime is 11405565200737. The reversal of 11405565200642 is 24600256550411.

It can be written as a sum of positive squares in 4 ways, for example, as 7091308028401 + 4314257172241 = 2662951^2 + 2077079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11405565200642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43007303 + ... + 43271690.

Almost surely, 2^{11405565200642} is an apocalyptic number.

11405565200642 is a deficient number, since it is larger than the sum of its proper divisors (5852649411190).

11405565200642 is a wasteful number, since it uses less digits than its factorization.

11405565200642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86279573.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 11405565200642 in words is "eleven trillion, four hundred five billion, five hundred sixty-five million, two hundred thousand, six hundred forty-two".